Citation: Zah-Letho, J. J.; Jouanneaux, A.; Fitch, A. N.; Verbaere, A.; Tournoux, M. (1992). Nb3(NbO)2(PO4)7 a novel niobium V oxophosphate : synthesis and crystal structure determination from high resolution X-ray powder diffraction. European Journal of Solid State and Inorganic Chemistry, 29, pp. 1309-1320.